function[answer] = pow(x,n)
global SAVED

if(n==0)
    answer =1;

elseif (isnan(SAVED(1,n))==0)
    answer=SAVED(1,n);

elseif (n<0)
    answer ='Faster is not defined for negative n values';


elseif ((2*floor(n/2))==n);
        answer =pow(x,(floor(n/2)))*pow(x,(floor(n/2)));
        SAVED(1,n) = answer;

else
    answer =x*(pow(x,floor(n/2))*pow(x,(floor(n/2))));
    SAVED(1,n) = answer;
end

end